China has announced plans to build the workd's highest concave-faced dam to meet the rising demand for power in the fastest-developing country. The 325-metre-high dam will be part of the jinping hudro-electric power station scheduled for construction along the Yalong river in southwest China's Sichuan province. The highest dam of its kind in the world, it will fall 10 metres short of the height for a different style dam in Russia which is an earth and stone dam.